1025897285 has 16 divisors (see below), whose sum is σ = 1441262592. Its totient is φ = 686313600.

The previous prime is 1025897269. The next prime is 1025897293. The reversal of 1025897285 is 5827985201.

It is not a de Polignac number, because 1025897285 - 2⁴ = 1025897269 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 356021 + ... + 358890.

It is an arithmetic number, because the mean of its divisors is an integer number (90078912).

Almost surely, 2^1025897285 is an apocalyptic number.

It is an amenable number.

1025897285 is a deficient number, since it is larger than the sum of its proper divisors (415365307).

1025897285 is an equidigital number, since it uses as much as digits as its factorization.

1025897285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714964.

The product of its (nonzero) digits is 403200, while the sum is 47.

The square root of 1025897285 is about 32029.6313591025. The cubic root of 1025897285 is about 1008.5589634794.

The spelling of 1025897285 in words is "one billion, twenty-five million, eight hundred ninety-seven thousand, two hundred eighty-five".